| Message ID | 20240812044234.3570-1-tcm4095@gmail.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | f7c21530587705b7af69f55da1d522ecd8d71d2e |
| Delegated to: | Stephen Hemminger |
| Headers | show |
| Series | [iproute2,v2,1/2] tc-cake: document 'ingress' | expand |
| Context | Check | Description |
|---|---|---|
| netdev/tree_selection | success | Not a local patch |
Lương Việt Hoàng <tcm4095@gmail.com> writes: > Linux kernel commit 7298de9cd7255a783ba ("sch_cake: Add ingress mode") added > an ingress mode for CAKE, which can be enabled with the 'ingress' parameter. > Document the changes in CAKE's behavior when ingress mode is enabled. > > Signed-off-by: Lương Việt Hoàng <tcm4095@gmail.com> Reviewed-by: Toke Høiland-Jørgensen <toke@kernel.org>
Hello: This series was applied to iproute2/iproute2.git (main) by Stephen Hemminger <stephen@networkplumber.org>: On Mon, 12 Aug 2024 11:41:37 +0700 you wrote: > Linux kernel commit 7298de9cd7255a783ba ("sch_cake: Add ingress mode") added > an ingress mode for CAKE, which can be enabled with the 'ingress' parameter. > Document the changes in CAKE's behavior when ingress mode is enabled. > > Signed-off-by: Lương Việt Hoàng <tcm4095@gmail.com> > --- > man/man8/tc-cake.8 | 15 +++++++++++++++ > 1 file changed, 15 insertions(+) Here is the summary with links: - [iproute2,v2,1/2] tc-cake: document 'ingress' https://git.kernel.org/pub/scm/network/iproute2/iproute2.git/commit/?id=f7c215305877 - [iproute2,v2,2/2] tc-cake: reformat https://git.kernel.org/pub/scm/network/iproute2/iproute2.git/commit/?id=72c13bc5d48c You are awesome, thank you!
diff --git a/man/man8/tc-cake.8 b/man/man8/tc-cake.8 index ced9ac78..6d77d7d2 100644 --- a/man/man8/tc-cake.8 +++ b/man/man8/tc-cake.8 @@ -541,6 +541,21 @@ This can be used to set policies in a firewall script that will override CAKE's built-in tin selection. .SH OTHER PARAMETERS +.B ingress +.br + Indicates that CAKE is running in ingress mode (i.e. running on the downlink +of a connection). This changes the shaper to also count dropped packets as data +transferred, as these will have already traversed the link before CAKE can +choose what to do with them. + + In addition, the AQM will be tuned to always keep at least two packets +queued per flow. The reason for this is that retransmits are more expensive in +ingress mode, since dropped packets have to traverse the link again; thus, +keeping a minimum number of packets queued will improve throughput in cases +where the number of active flows are so large that they saturate the link even +at their minimum window size. + +.PP .B memlimit LIMIT .br
Linux kernel commit 7298de9cd7255a783ba ("sch_cake: Add ingress mode") added an ingress mode for CAKE, which can be enabled with the 'ingress' parameter. Document the changes in CAKE's behavior when ingress mode is enabled. Signed-off-by: Lương Việt Hoàng <tcm4095@gmail.com> --- man/man8/tc-cake.8 | 15 +++++++++++++++ 1 file changed, 15 insertions(+)